Vast Sky Drizzle

When Jiang Ming woke up in a strange world, he learned he had obtained immortality. In the dangerous and ruthless world of cultivation, he was determined to carve his unique path. Taking advantage of his immortality, he vowed to learn forbidden skills that would normally eat away at the user’s life. 
As he continued on his path, Jiang Ming realized that with his forbidden skills, he could become the strongest. 

As An Immortal, I Only Learn Forbidden Skills

CatABoo

Jiang Ming pushed the door open and stood in the courtyard. The shallow pit under his feet looked familiar. Right, he remembered. It was left by the Tiger Subduing Fist.

Cicadas were chirping on the treetops. At this time last year, Jiang Ming came here to learn martial arts from Master Zhou. However, now things had changed.

The people in the room heard him and quickly came out. When they saw Jiang Ming, they were also stunned, and then their eyes turned red.

Jiang Ming looked at Zhou Wenxiu. The once cheerful and sweet girl had changed. There was a hint of maturity between her brows, and there were many scars on her exposed arms and wrists, which looked like marks from a whip.

Jiang Ming knew that she must have suffered a lot in the city, but this was the only way for people at the bottom to succeed.

Wei Yan, the Murderer